Extraction de relations n-aires interphrastiques guidée par une RTO

Nous proposons dans cet article une methode d'extraction d'instances de relations naires dans un texte guidee par une Ressource Termino-Ontologique (RTO) de domaine. Une RTO est une ressource comportant une composante conceptuelle (l'ontologie) et une composante terminologique (la terminologie), dans laquelle les termes sont distingues des concepts qu'ils denotent. L'ontologie permet la modelisation de relations n-aires, reliant des arguments pouvant etre des concepts symboliques et des quantites. La methode proposee s'applique aux relations n-aires formulees de facon implicite dans le texte et dont les instances d'arguments peuvent etre exprimees a travers differentes phrases du texte. ABSTRACT. We propose in this paper a method to extract instances of n-ary relations in a text guided by an Ontological and Terminological Resource (OTR). An OTR is a resource composed of a conceptual component (the ontology) and a terminological component (the terminology) in which the terms are distinguished from the concepts they denote. The ontology allows n-ary relationships to be described between arguments which can be symbolic concepts and quantities. The method is dedicated to the extraction of n-ary relations which are implicit in the text and whose instances of arguments may be expressed in different sentences of the text.

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